• Publications
  • Influence
Wikidata: a free collaborative knowledgebase
TLDR
This collaboratively edited knowledgebase provides a common source of data for Wikipedia, and everyone else, to help improve the quality of the encyclopedia. Expand
OWL 2 Web Ontology Language Primer (Second Edition)
TLDR
The OWL 2 Document Overview describes the overall state of OWL 1, and should be read before other OWL2 documents. Expand
Foundations of Semantic Web Technologies
TLDR
This book concentrates on Semantic Web technologies standardized by the World Wide Web Consortium: RDF and SPARQL enable data exchange and querying, RDFS and OWL provide expressive ontology modeling, and RIF supports rule-based modeling. Expand
Semantic Wikipedia
TLDR
This paper provides an extension to be integrated in Wikipedia, that allows the typing of links between articles and the specification of typed data inside the articles in an easy-to-use manner, and presents the design, implementation, and possible uses of this extension. Expand
Semantic MediaWiki
TLDR
The software is already used on a number of productive installations world-wide, but the main target remains to establish “Semantic Wikipedia” as an early adopter of semantic technologies on the web. Expand
Introducing Wikidata to the Linked Data Web
TLDR
New RDF exports that connect Wikidata to the Linked Data Web are introduced and several partial exports are introduced that provide more selective or simplified views on the data. Expand
Semantic MediaWiki
TLDR
The software is already used on a number of productive installations world-wide, but the main target remains to establish “Semantic Wikipedia” as an early adopter of semantic technologies on the web. Expand
Concurrent Classification of EL Ontologies
TLDR
An optimised consequence-based procedure for classification of ontologies expressed in a polynomial fragment of the OWL 2 EL profile based on a variant of the ‘given clause’ saturation algorithm for first-order theorem proving is described. Expand
Semantic Wikipedia
TLDR
An extension that enables wiki-users to semantically annotate wiki pages, based on which the wiki contents can be browsed, searched, and reused in novel ways. Expand
A Description Logic Primer
TLDR
The main concepts and features are explained with examples before syn- tax and semantics of the DLSROIQ are defined in detail. Expand
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